[Linaro-mm-sig] [RFC] ARM DMA mapping TODO, v1

[Benjamin Herrenschmidt]

On Thu, 2011-04-28 at 15:37 -0400, Jerome Glisse wrote:
> Jesse also pointed out space exhaustion inside the iommu and i believe
> this should also be considered. This is why i believe the dma_* api is
> not well suited. In DRM/TTM we use  pci_dma_mapping* and we also play
> with with page set_page*_uc|wc|wb.

Which are yet another set of completely x86-centric APIs that have not
been thought in the context of other architectures and are probably
mostly unimplementables on half of them :-)

Cheers,
Ben.